Simplified method for core dam saturation line calculation
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Abstract:
The satur atio n line position is o ne of the main bases for flow char acter istics evaluation o f ear th r ock dams, w hich must be calculated before the compar ing and select ing the appropr iate anti2seepage reinfo rcement pro gr am o f danger ous earth2r ock dam. Co nsider ing the relatio nship betw een the r elativ e permeabilit y coefficient o f the dam and the cut2o ff wall, a simplified cal2 culat ion method w as pro po sed t o estimate the satur ation line of the cor e dam by theor etical ana lysis and numer ical ca lculatio n. A fitting formulatio n was dev elo ped to calculate the po sition o f the satur ation lines. The simplified calculation methods pr ov ed to be r easonable when compar ing w ith the r esults o f finite element methods based o n the dam of Baiyashan Reser voir. The simpli2 f ied calculat ion method can signif icantly r educe the computational w orkload when com par ing and selecting t he r einfo rcement prog ram o f sma ll and medium2sized r eser vo ir dams.
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